1552147 has 2 divisors, whose sum is σ = 1552148. Its totient is φ = 1552146.

The previous prime is 1552123. The next prime is 1552169. The reversal of 1552147 is 7412551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1552147 - 2¹¹ = 1550099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1550147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776073 + 776074.

It is an arithmetic number, because the mean of its divisors is an integer number (776074).

2^1552147 is an apocalyptic number.

1552147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552147 is an equidigital number, since it uses as much as digits as its factorization.

1552147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1400, while the sum is 25.

The square root of 1552147 is about 1245.8519173642. The cubic root of 1552147 is about 115.7828627261.

Adding to 1552147 its reverse (7412551), we get a palindrome (8964698).

The spelling of 1552147 in words is "one million, five hundred fifty-two thousand, one hundred forty-seven".